If C is the circumference of a circular disk in centimeters, and A is the area of the same circular disk in square centimeter. Then C/A=A/C, if r=

E

Editor

Sep 18, 2022

If C is the circumference of a circular disk in centimeters, and A is the area of the same circular disk in square centimeter. Then C/A=A/C, if r=

Difficulty: Easy

A:

1

B:

2

C:

3

D:

4

ID: 63273db5ca83163ac3a0a739